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16 discussions - 74 posts

  • Hey guys-- I'm really just now getting into using the EJBQLQuery and am having some difficulties. I don't know whether I'm doing something fundamentally wrong or what. Here's my EJBQL expression that ...
    Dave LamyDave Lamy
    Dec 4, 2009 at 2:13 am
    Dec 21, 2009 at 3:59 pm
  • im using cayenne 2.0.4, and i need to fetch an huge ammout of data, i did that way: public static StringBuffer traceProts; static { traceProts = new StringBuffer(); traceProts.append("SELECT ") ...
    Emanuele MaiarelliEmanuele Maiarelli
    Dec 24, 2009 at 7:54 am
    Dec 24, 2009 at 9:37 am
  • Hi, Some paginated mechanisms are based on a persistence layer to be able to retrieve records for a range of primary keys. I know it is possible to insert the primary key field in the definition but ...
    Hans PikkemaatHans Pikkemaat
    Dec 17, 2009 at 12:47 pm
    Dec 17, 2009 at 3:00 pm
  • Hi everyone, I started using cayenne yesterday and got it up and running in my webapp alongside wicket. I have question about configuration files: can i put them somewhere else besides the source ...
    Marek ŠaboMarek Šabo
    Dec 31, 2009 at 11:40 am
    Dec 31, 2009 at 4:20 pm
  • Hi, I would like to have a question, does cayenne have some mechanism for registering already existing objects (e.g. beans/dataobjects extended from _auto classes) without the need of creating new ...
    Marek ŠaboMarek Šabo
    Dec 31, 2009 at 2:31 pm
    Dec 31, 2009 at 4:20 pm
  • I'm trying to use DBCPDataSourceFactory and load my data source information from a location external to the project. I keep getting errors that it can't find the file. Has anyone does this ...
    Michael GentryMichael Gentry
    Dec 4, 2009 at 7:51 pm
    Dec 7, 2009 at 4:34 pm
  • Hello, I have a webapp that accesses an Oralce DB to retrieve records and do paging over the entire resultset (an expression is used that spans multiple tables). Recently when the number of results ...
    Ilya LazarevIlya Lazarev
    Dec 4, 2009 at 4:42 pm
    Dec 7, 2009 at 8:46 am
  • The Cayenne team welcomes Evgeny Ryabitskiy as a committer. In recognition of his work so far on Cayenne, he has been voted by the Project Management Committee to be given the rights to commit his ...
    Aristedes ManiatisAristedes Maniatis
    Dec 10, 2009 at 4:41 pm
    Dec 11, 2009 at 10:32 am
  • Hi, another thing, I was thinking whether it is possible or not to use generated dataObjects (not the underscored ones) as beans. I defined a constructor and filled in all attributes but when I tried ...
    Marek ŠaboMarek Šabo
    Dec 31, 2009 at 10:27 pm
    Dec 31, 2009 at 10:46 pm
  • Hi, I'm doing some performance tests and want to see when the query is actually run. I'm running some test queries with different cache settings to see what happens performance and memory wise. For ...
    Hans PikkemaatHans Pikkemaat
    Dec 29, 2009 at 8:04 am
    Dec 29, 2009 at 9:00 am
  • Hello all-- I am curious to know how (if possible) to reference a PK field using EJBQL. I tried using the normal expression "db:" syntax but as I saw in the source this won't work ...
    Dave LamyDave Lamy
    Dec 3, 2009 at 10:06 pm
    Dec 4, 2009 at 1:17 pm
  • Is it possible to build a complex expression using the ExpressionFactory that includes groupings (or is this only accomplished using the Expression.fromString() method)? For example (exp1 OR exp2 OR ...
    Joe BaldwinJoe Baldwin
    Dec 7, 2009 at 4:20 am
    Dec 7, 2009 at 6:36 am
  • Hello all This is about the toDependentPK topic. I had the problem that foreign key relations resulted in FaultFailureExceptions. I then read this issue: http://issues.apache.org/jira/browse/CAY-132 ...
    Adrian WiesmannAdrian Wiesmann
    Dec 31, 2009 at 5:00 pm
    Dec 31, 2009 at 5:00 pm
  • Hello, to perform a somewhat complex query, I'm using a database view that returns values for the primary key of table A, selecting the rows that are interesting. I modeled this view into an db ...
    Dirk LattermannDirk Lattermann
    Dec 11, 2009 at 9:41 pm
    Dec 11, 2009 at 9:41 pm
  • Hi, I've got a problem with a join-query which I can not convert to a set of objects the way I'd like. The problem is that the base table is empty. I'm querying the following 2 tables: SetInstance ...
    Dec 3, 2009 at 10:04 pm
    Dec 3, 2009 at 10:04 pm
  • Hi Guys, (In Cayenne 2.0 version) Considering the hierarchical class tree to single table example, if I perform this kind of not-polymorphic query: SelectQuery query = new SelectQuery( Manager.class ...
    Dec 3, 2009 at 6:55 pm
    Dec 3, 2009 at 6:55 pm
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